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Steppers and Metrology Solutions for MEMS Markets

photo_steppersNikon continues to expand the MEMS Stepper product line to satisfy the unique photolithography requirements of Air Bearing Surface (ABS) fabrication for magnetic heads, Micro Electro Mechanical Systems (MEMS) and Light Emitting Diodes (LED). These steppers are also used in back-end processing, as well as optoelectronics, discrete semiconductors and crystal oscillator manufacturing. These specialized Nikon lithography solutions deliver maximum stepper yield at the lowest possible cost.

Although MEMS do not have the same aggressive requirements for imaging or overlay capabilities that are demanded by semiconductors, they necessitate that the lithography systems are able to handle extremely warped wafers and very thick films, and accommodate significant step heights with reasonable overlay accuracy. In addition, bulk MEMS applications, Taiko-processed or bonded thin wafers often need precise alignment to marks located on the backside of the wafer surface. Nikon MEMS Steppers fully satisfy the critical requirements of these dynamic markets, and well over 160 systems are in use by customers around the world today.

Nikon offers a variety of MEMS Steppers that accommodate ghi and i-line resist processes, which are becoming increasingly prevalent in MEMS manufacturing. Proven stepper technology ensures optimal CD uniformity across the wafer and projection lens designs eliminates costly mask contamination/ defectively issues experienced with contact or proximity printing methods. In addition, all Nikon MEMS Steppers utilize Enhanced Global Alignment (EGA) that has long been employed on traditional Nikon Step and Repeat Systems to provide optimal overlay accuracy. They also provide Pattern Matching Alignment capabilities that enable alignment using structures other than specific alignment marks. These critical functions are delivered on user-friendly, high productivity stepper platforms, with dramatically reduced system footprints to minimize equipment cost and cleanroom floor space usage.

Nikon continues to focus on expanding system capabilities and reducing cost to customers. Current stepper offerings enable field sizes up to 44 x 44 mm, and support a variety of substrate types and dimensions, with other systems under development. They also deliver enhanced imaging and maximize productivity. Additionally, a multitude of add-on functions further boost MEMS Stepper performance and yield. Nikon has also expanded its product offerings to include Both Side Measurement (BSM) Systems that provide dual-side overlay metrology for MEMS applications and more.

Nikon provides a comprehensive equipment portfolio, enabling improved time to market and return on investment for our customers.

Nikon MEMS Stepper NES1W-i04 system.

NES1W-i04

Delivers i-line research and development capabilities with resolution ≤ 1.0 µm

Learn about the NES1W-i04

Nikon MEMS Stepper NESW-i05 system

NES1W-i05 • NES2W-i05

Provides 22 mm² field size and ≤ 1.2 µm resolution for leading-edge MEMS applications

Learn about the NES1W-i05 – NES2W-i05

NES1W-ghi06 • NES2W-ghi06

Deliver ghi-line capabilities with resolution ≤ 2.5 µm. Targeted for MEMS, IC backend layers, and power device applications

Learn about the NES1W-ghi06 – NES2W-ghi06

NES1W-i06 • NES2W-i06

Deliver i-line capabilities with resolution ≤ 2.0 µm for discrete, power, and analog device processing

Learn about the NES1W-i06 – NES2W-i06

NES2W-i10

Delivers tremendous depth of focus and 44 mm² field size

Learn about the NES2W-i10

Nikon BSM System for MEMS

BSM-200 Both Side Measurement System

High precision frontside and backside overlay metrology capabilities for MEMS and leading- edge power devices

Learn about the BSM-200

Products and Technology

  • Immersion and Multiple Patterning
  • Deep UV
  • i-Line
  • Alignment Stations
  • Semiconductor Inspection Systems
  • Steppers and Metrology Solutions for MEMS Markets
    • NES1W-i04
    • NES1W-i05 • NES2W-i05
    • NES1W-ghi06
      NES2W-ghi06
    • NES1W-i06
      NES2W-i06
    • NES2W-i10
    • Both Side Measurement (BSM) Systems
  • Refurbished Equipment
  • Options, Upgrades and Modifications

NIKON PRECISION INC.
NIKON PRECISION EUROPE GMBH


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